- a smooth, glossy sheet of white plastic that can be written on with a colored pen or marker in the manner of a blackboard.
- an interactive display screen that is connected to a computer and allows for viewing, input, and collaboration by multiple users: A whiteboard can enhance classroom instruction.
- a shiny white surface that can be wiped clean after being used for writing or drawing on, used esp in teaching
- a large screen used to project computer images to a group of people